SystemicAnomaly
Bionic Poster
You are way off base here. My opinion/ knowledge is fluid, not crystalized --- not set in stone (concrete). It has evolved over that 50+ years. It is based on an evolving experience and current science.I’m not expecting to change your opinion of 50 years that’s set in concrete. Let’s move on.
The strokes I had in the 70s & 80s is different from the strokes I developed in the 90s which, in turn, are different from the strokes I developed in the 21st century.
I have learned a considerable more about tennis physics, biomechanics, etc in recent years than I knew 25-30 years ago.
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